Finding the Fourth Proportional to 89,363.42, 123,321.63 and 49,079.78

Step by Step Solution

1. Step 1: Write the proportion equation
   89,363.42 : 123,321.63 = 49,079.78 : x
2. Step 2: Convert to fraction form
   89,363.42/123,321.63 = 49,079.78/x
3. Step 3: Cross multiply
   89,363.42x = 123,321.63 × 49,079.78
4. Step 4: Simplify right side
   89,363.42x = 6,052,598,469.64
5. Step 5: Solve for x
   x = 6,052,598,469.64/89,363.42
6. Step 6: Final answer
   x = 67,730.16